Trait CheckpointStore

pub trait CheckpointStore: Send + Sync {
    // Required methods
    fn get_checkpoint<'life0, 'life1, 'async_trait>(
        &'life0 self,
        shard_id: &'life1 str,
    ) -> Pin<Box<dyn Future<Output = Result<Option<String>>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait;
    fn save_checkpoint<'life0, 'life1, 'life2, 'async_trait>(
        &'life0 self,
        shard_id: &'life1 str,
        sequence_number: &'life2 str,
    ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait,
             'life2: 'async_trait;
}

Trait for checkpoint storage implementations

Required Methods

fn get_checkpoint<'life0, 'life1, 'async_trait>( &'life0 self, shard_id: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<Option<String>>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Retrieve the checkpoint for a given shard

fn save_checkpoint<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, shard_id: &'life1 str, sequence_number: &'life2 str, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Save a checkpoint for a given shard

Implementors

impl CheckpointStore for DynamoDbCheckpointStore

impl CheckpointStore for InMemoryCheckpointStore